At present, the technology of tunnel geological engineering is not mature enough, and there are many deficiencies in the tendency index of rock burst, which need to be improved in construction safety. The purpose of this paper is to study the geological safety monitoring system of TBM construction tunnel forward-to-cross-hole radar transmission imaging advanced potential rock burst. This paper combines the tunnel geology super Pre-prediction is a specific application, the pulse system of ground penetrating radar launch and acquisition system is designed. The system synchronous control module with single chip microcomputer as the core device is designed to produce square wave signal with adjustable frequency, which provides synchronous trigger signal for the avalanche pulse generation circuit and data acquisition module. The experimental data show that the system can realize the functions of producing avalanche pulse signal, sending and receiving synchronously and displaying in real time. resulting in an increase in the safety detection coefficient of about 80%. The experimental data show that the development of forward trans-hole radar transmission imaging is very important for the development of geophysical instruments It is of great significance to establish the safety monitoring system of TBM construction tunnel forward-to-cross-hole radar transmission imaging leading potential rock burst geological forecast.

Qiwen Zhou, Runzhi Jia, Zhansheng Lin and Fucai Pei. TBM Construction Tunnel Forward-to-cross-hole Radar Transmission Imaging Leading Potential Rockburst Geological Forecast Safety Monitoring System and Method. International Journal of Engineering Technology and Construction (2022), Vol. 3, Issue 1: 1-16. https://doi.org/10.38007/IJETC.2022.030101.

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